added functionality for pixiv and deviantart

backend/app/services/gallery_dl.py

@@ -171,6 +171,23 @@ class GalleryDLService:
             # Deep crawling options
             "threads": True,  # Include thread content for complete history
         },
+        "pixiv": {
+            "content_types": ["all"],
+            "directory": ["{category}"],
+            "filename": "{id}_{title[:50]}_{num:>02}.{extension}",
+            # Content options
+            "ugoira": True,  # Download ugoira (animated) as WebM
+        },
+        "deviantart": {
+            "content_types": ["all"],
+            "directory": [],  # Flat structure within platform folder
+            "filename": "{index:>03}_{title[:50]}.{extension}",
+            # Content options
+            "flat": True,  # Flatten folder structure
+            "original": True,  # Download original quality
+            "mature": True,  # Include mature content
+            "metadata": True,  # Include metadata
+        },
     }
 
     def __init__(self, rate_limit: Optional[float] = None):
@@ -682,6 +699,10 @@ class GalleryDLService:
             return ["all"]  # No granular control
         elif platform == "discord":
             return ["all"]  # No granular control
+        elif platform == "pixiv":
+            return ["all", "illusts", "manga", "bookmarks"]
+        elif platform == "deviantart":
+            return ["all", "gallery", "scraps", "favorites"]
         else:
             return ["all"]